12101203000312 has 8 divisors (see below), whose sum is σ = 22689755625600. Its totient is φ = 6050601500152.

The previous prime is 12101203000307. The next prime is 12101203000423. The reversal of 12101203000312 is 21300030210121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12101203000312² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756325187512 + ... + 756325187527.

It is an arithmetic number, because the mean of its divisors is an integer number (2836219453200).

Almost surely, 2^{12101203000312} is an apocalyptic number.

It is an amenable number.

12101203000312 is a deficient number, since it is larger than the sum of its proper divisors (10588552625288).

12101203000312 is a wasteful number, since it uses less digits than its factorization.

12101203000312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512650375045 (or 1512650375041 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12101203000312 its reverse (21300030210121), we get a palindrome (33401233210433).

The spelling of 12101203000312 in words is "twelve trillion, one hundred one billion, two hundred three million, three hundred twelve", and thus it is an aban number.